Home / 3,919,896-5,881,365.12-1,525,422.48

Finding the Fourth Proportional to 3,919,896, 5,881,365.12 and 1,525,422.48

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Solution

The fourth proportional to 3,919,896, 5,881,365.12 and 1,525,422.48 is: 2,288,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,896 : 5,881,365.12 = 1,525,422.48 : x
  2. Step 2: Convert to fraction form
    3,919,896/5,881,365.12 = 1,525,422.48/x
  3. Step 3: Cross multiply
    3,919,896x = 5,881,365.12 × 1,525,422.48
  4. Step 4: Simplify right side
    3,919,896x = 8,971,566,567,135.90
  5. Step 5: Solve for x
    x = 8,971,566,567,135.90/3,919,896
  6. Step 6: Final answer
    x = 2,288,725.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.